N,N-dimethyl-L-proline (2S)-2-carboxy-1,1-dimethylpyrrolidinium 1+ 1,1-dimethyl-L-prolinium 127.0991668701171875 127.19000244140625 29.038576126098632812 29.059999465942382812 A protein modification that effectively converts an L-proline residue to N,N-dimethyl-L-proline. C 2 H 5 N 0 O 0 C 7 H 13 N 1 O 1 Delta:H(5)C(2) Dimethyl Dimethylation of proline residue MOD:00075 MOD_RES N,N-dimethylproline N,N-dimethyl-L-proline N,N-dimethyl-L-prolinium N,N-dimethylated L-proline N-term NMe2Pro P PSI-MOD Unimod terminal specification corrected [JSG]. Unimod:529 natural stachydrin uniprot.ptm:PTM-0179 protonated-dimethylated residue N-methylated proline